Biological Roots of Behavior Chapter 2 (pp. 40-64)

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Biological Roots of BehaviorChapter 2 (pp. 40-64)

• Motivated Behaviors
• Homeostasis
• Autonomic Nervous System Activation and
  Arousal

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• What are Motivated Behaviors?

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• Behavioral Neuroscience
• Focus on the Neural Bases of Behavior

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Neural Bases of Behavior
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Why Do We Eat?
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Examples of Peripheral Signals

• Glucoreceptor Signaling
• Adipoise Tissue and Leptin

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Obesity Homeostatic Failure / Leptin Deficient
and Resistant
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• Can we identify specific brain areas associated
  with emotion, including aggression?

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End First Class Lecture
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Psychology Introduction to the Biological
Perspective

• Motivated Behaviors -
• Eating Behavior
• Aggression Response to Threat
• Sex Behavior
• Drug-Seeking Behavior

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• Sex Behavior
• Focus on Hormones and the Hypothalamus

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• Other Motivated Behaviors?

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• Drug Seeking Behavior
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Intracranial Self-Stimulation (ICSS)

• Rats lever press for electrical stimulation
  into brain
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• Brain sites may mediate natural rewards (food,
  water, sex)
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• Note Brain stimulation also evokes feeding,
  drinking, maternal and sexual behaviors

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